make lineno_width() from blame reusable for others

diff --git a/cache.h b/cache.h
index 10afd71d435920a3cc2152208a06058791ea7a04..24732e6caf8ba30b44a5aa5f40eb5756d164daf4 100644 (file)
--- a/cache.h
+++ b/cache.h
@@ -1037,6 +1037,7 @@ struct extra_have_objects {
 };
 extern struct ref **get_remote_heads(int in, struct ref **list, unsigned int flags, struct extra_have_objects *);
 extern int server_supports(const char *feature);
+extern const char *parse_feature_request(const char *features, const char *feature);
 
 extern struct packed_git *parse_pack_index(unsigned char *sha1, const char *idx_path);
 
@@ -1175,6 +1176,7 @@ extern void setup_pager(void);
 extern const char *pager_program;
 extern int pager_in_use(void);
 extern int pager_use_color;
+extern int decimal_width(int);
 
 extern const char *editor_program;
 extern const char *askpass_program;